CN109263593A - Roof air bag for vehicle - Google Patents
Roof air bag for vehicle Download PDFInfo
- Publication number
- CN109263593A CN109263593A CN201711211833.2A CN201711211833A CN109263593A CN 109263593 A CN109263593 A CN 109263593A CN 201711211833 A CN201711211833 A CN 201711211833A CN 109263593 A CN109263593 A CN 109263593A
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- CN
- China
- Prior art keywords
- chamber
- vehicle
- guide rod
- airbag cushion
- charging system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/214—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in roof panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2346—Soft diffusers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/261—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
- B60R21/262—Elongated tubular diffusers, e.g. curtain-type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23192—Roof bags, i.e. protecting the occupant in a roll-over situation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23533—Inflatable members characterised by their material characterised by the manufacturing process
- B60R2021/23538—Sewing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/261—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
- B60R2021/2612—Gas guiding means, e.g. ducts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Bags (AREA)
Abstract
The present invention is provided to the roof air bags of vehicle comprising: air charging system, the air charging system are arranged at the first end in the front end and its rear end of skylight sash, and are configured to discharge expansion gas on startup；Stiffener, the stiffener are configured to that the first side of the skylight sash and second side are connected to each other at the position between the front end and its rear end of the skylight sash；And airbag cushion, the airbag cushion is arranged in a folded configuration at the first end in the front end and its rear end of skylight sash, it is configured to receive the expansion gas supplied from air charging system and be unfolded to cover the skylight sash, and it is configured with first chamber and second chamber, first chamber is covered from the first end in the front end and its rear end of skylight sash to the position reached before stiffener, and second chamber is from the second end in the front end and its rear end that stiffener covers skylight sash.
Description
Technical field
The present invention relates to a kind of roof air bags for vehicle, and relate more specifically to such a for vehicle
Roof air bag: its configure and be formed as that airbag cushion is smoothly unfolded along the skylight sash of vehicle.
Background technique
Airbag for a vehicle is such a safety device: it is configured to that air bag is unfolded when colliding
Pad is to mitigate the impact for being applied to occupant, and airbag for a vehicle includes driving side airbag (DAB), copilot
Side airbag (PAB)), side airbag (SAB), curtain air bag (CAB), knee airbag (KAB), roof safety
Air bag (RAB) etc..
When the roof of vehicle have panoramic structure when, this roof than be omitted panorama roof structure vehicle be easier by
To damage, and therefore can increase injury to occupant or occupant due to the damage of roof and from vehicle interior richochet.
Specifically, the performance of RAB is influenced by the development rate of airbag cushion, and when airbag cushion covers rapidly
When skylight, a possibility that occupant is injured or occupant pops up from vehicle can be reduced.
Information disclosed in background technology part of the invention is only for enhancement of understanding of the general background of the invention,
And it is not construed as recognizing or implying in any form that the information constitutes the relevant technologies well known by persons skilled in the art.
Summary of the invention
Various aspects of the invention are intended to provide a kind of roof air bag (RAB) for vehicle, are configured to use
In forming a kind of covering skylight sash to be divided into the safety of multiple chambers around the stiffener for being formed at skylight sash
Air bag cushion, to improve the development rate of airbag cushion, so that the protective value of RAB be made to maximize.
One aspect of the present invention is intended to provide a kind of RAB for vehicle comprising: air charging system, the inflation dress
It installs at the first end in the front end and its rear end of skylight sash, and is configured to discharge expansion gas on startup
Body；Stiffener, the stiffener are configured to skylight frame at the position between the front end and rear end of skylight sash
Two ends of frame are connected to each other；And skylight sash is arranged in airbag cushion, the airbag cushion in a folded configuration
Front end and its rear end in first end at, the airbag cushion is configured as receiving the exhibition supplied from air charging system
It opens gas and is unfolded to cover skylight sash, and be configured with first chamber and second chamber, the first chamber is configured to
It covers from the first end in the front end and its rear end of skylight sash to the position before arrival stiffener；Described second
Chamber is configured to the second end from the front end and its rear end that stiffener covers skylight sash.
RAB can also include fixed bracket, which is configured to be parallel to airbag cushion in air charging system
So that air charging system is separated scheduled distance with the airbag cushion folded up under state, and air charging system is fixed to vehicle
Body；And gas guiding device, the gas guiding device are configured to the institute of the air charging system and the airbag cushion
First chamber connection is stated, and the expansion gas of the air charging system is supplied to the first chamber.
External suture can be formed at airbag cushion, and first chamber and second chamber are separated and first
It is connected between chamber and second chamber.
External suture can form connection path, the connection path be configured as first chamber and second chamber it
Between be connected to, and the connection path can be formed in first chamber to extend scheduled length (in inside).
Can form the first guidance suture of entrance and " u "-shaped at first chamber, the entrance be configured to receive from
The expansion gas of air charging system supply, the first guidance suture of the " u "-shaped be formed in separated with the entrance it is predetermined
Distance position at, and be configured to guidance expansion gas and flowed to the two sides of first chamber, then from the of skylight sash
One end or thereafter end are flowed towards different directions.
The connection path of external suture may be formed at the centre of the first guidance suture in the width direction with vehicle
At position corresponding.
RAB may further include the diffuser being arranged in inside first chamber, the end connection of the diffuser
To the gas guiding device, and it is configured to receive the expansion gas supplied from the gas guiding device, other end part
Branch arrives the two sides of the first chamber, and is formed as T shape to distribute expansion gas.
Can be formed at second chamber " u "-shaped second guidance suture, it is described second guidance suture be formed in
Connection path separates at the position of scheduled distance, and is configured to guidance expansion gas and flows to the two sides of second chamber, so
From the front end of skylight sash or thereafter, end is flowed towards different directions afterwards.
The RAB may further include sag-resistant lid, the sag-resistant lid have the first end for being fixed to vehicle body and
Be formed as L shape and be configured to the second end of the lower part for the airbag cushion that support is folded up.
The RAB can also include the guide rod formed along the two sides of the skylight sash, and the guide rod is configured to pass through shape
Multiple attachment devices of the two sides of airbag cushion described in Cheng Yu, and be configured to guide the safety when air charging system starts
Air bag cushion is slided along the skylight sash.
Connector and the ring comprising metal material can be set in each attachment device in the multiple attachment device
Shape part at the side that the connector integrally or is one-piece arranged in the two sides of airbag cushion and is formed as hook
Shape, the ring-shaped article are connected to the connector, are inserted into the guide rod, and are configured to the starting according to the air charging system
And it slides.
The RAB may further include multiple guide rod holding meanss, each guide rod holding meanss have first end and
The second end, the first end are connected to skylight sash, and it is described to allow guide rod to pass through that the second end is formed with through-hole
Through-hole and it is attached to the multiple guide rod holding meanss, wherein the multiple guide rod holding meanss are connected to the guide rod
Two ends.
Nut can be engaged with each end in two ends of guide rod, to prevent the multiple guide rod holding meanss
Deviate from from guide rod.
According to the RAB for vehicle for being configured with structure as described above, the development rate of airbag cushion can be prevented
By the obstruction for the stiffener being formed at skylight sash, wherein air bag can be with rapid deployment, so as to improve to multiplying
The protective value of member.
Methods and apparatus of the present invention has other feature and advantage, these feature and advantage are attached from what is be incorporated herein
It will be apparent in figure and subsequent specific embodiment, or will be in the attached drawing being incorporated herein and subsequent specific reality
It applies in mode and is stated in detail, the drawings and the detailed description together serve to explain specific principles of the invention.
Detailed description of the invention
Fig. 1 is the perspective for showing the roof air bag (RAB) for vehicle of exemplary implementation scheme according to the present invention
Figure；
Fig. 2 is the detail drawing for showing the shape of the airbag cushion of exemplary implementation scheme according to the present invention；
Fig. 3 be show according to the present invention the air charging system of exemplary implementation scheme, fixed bracket, gas guiding device and
The detailed perspective view of the connection relationship of airbag cushion；
Fig. 4 is the detail drawing for showing the shape of the airbag cushion of another exemplary embodiment according to the present invention；
Fig. 5 is the detailed perspective view for showing the sag-resistant lid of exemplary implementation scheme according to the present invention；
Fig. 6 is the detail drawing for showing the attachment device of the airbag cushion of exemplary implementation scheme according to the present invention；With
Fig. 7 and Fig. 8 is the first end and the second end that the guide rod of exemplary implementation scheme according to the present invention is shown respectively
Detailed perspective view.
It is to be appreciated that appended attached drawing was not necessarily drawn to scale, but show what process in a way simplified
Each feature of basic principle of the invention.The specific design feature of invention disclosed herein --- including for example specific ruler
Very little, direction, location and shape --- it will partly be determined by the specific application and use environment.
In the accompanying drawings, appended drawing reference refers to identical or equivalent part of the invention in several attached drawings of attached drawing.
Specific embodiment
It will be detailed with reference to various embodiments of the present invention, the example of these embodiments is shown in the drawings and retouches
It states as follows.Although the present invention will be described in conjunction with exemplary implementation scheme, it is to be understood that this specification be not intended to by
The present invention is limited to those exemplary implementation schemes.On the contrary, the present invention is directed to not only cover these exemplary implementation schemes, and
Covering may include in various alternatives within the spirit and scope of the present invention being defined by the appended claims, modification
Mode, equivalent way and other embodiments.
Fig. 1 is the perspective view for showing the RAB for vehicle of exemplary implementation scheme according to the present invention, and Fig. 2 is to show root
Detail drawing and Fig. 3 according to the shape of the airbag cushion of illustrative embodiments of the invention be show it is exemplary according to the present invention
The detailed perspective view of the connection relationship of the air charging system of embodiment, fixed bracket, gas guiding device and airbag cushion.
With reference to Fig. 1, Fig. 2 and Fig. 3, the RAB for vehicle may include: air charging system 20, and the air charging system 20 is arranged
An end in the front end and rear end of skylight sash 10, and it is configured to the discharge expansion gas when being activated；
Stiffener 15, the stiffener 15 are configured to skylight at the position between the front end and rear end of skylight sash 10
Two sides of frame 10 are connected to each other；And airbag cushion 30, the airbag cushion 30 are arranged in a folded configuration
At first end in the front end and rear end of skylight sash 10, the airbag cushion 30 is configured as receiving and fill from inflation
It sets the expansion gas of 20 supplies and is deployed to covering skylight sash 10, and be configured with first chamber 31 and second chamber
33, the first chamber 31 is configured to the first end from the front end and rear end of skylight sash 10 and covers to arrival reinforcement
Position before component 15, the second chamber 33 are configured to cover the front end of skylight sash 10 from stiffener 15 with after
The other end in end.
In the RAB for vehicle in accordance with an exemplary embodiment of the invention, skylight sash 10 is formed in vehicle vehicle
It at top, and is configured to allow for for roof module being mounted in vehicle roof, and in the current situation, stiffener 15 is arranged
Between the front end and rear end of skylight sash 10, the two sides of skylight sash 10 are connected to each other, wherein day can be enhanced
The rigidity of window frame 10.
In addition, air charging system 20 is set to the first side in the front end and rear end of skylight sash 10, and configure
Expansion gas is supplied at the starting during vehicle turnover and to airbag cushion 30.During this time, airbag cushion 30 also by
The end associated with air charging system 20 being arranged into the front end and rear end of skylight sash 10, wherein can make
The length for connecting the expansion gas path of air charging system 20 and airbag cushion 30 minimizes.
For example, airbag cushion 30 can be set when air charging system 20 is set to the front end of skylight sash 10
To the front end of skylight sash 10, to be deployed into the rear end of skylight sash 10 when air charging system 20 starts.On the other hand, when
When air charging system 20 is set to the rear end of skylight sash 10, airbag cushion 30 be can be set to along from skylight sash 10
It is unfolded in the direction of rear end to its front end.
The RAB for vehicle in accordance with an exemplary embodiment of the invention is provided so that the formation of airbag cushion 30
There are first chamber 31 and second chamber 33.
First chamber 31 is configured to an end from the front end and rear end of skylight sash 10 and covers to arrival
Position before stiffener 15, and second chamber 33 is configured to cover the front end of skylight sash 10 from stiffener 15
The other end in portion and rear end.
That is, first chamber 31 is unfolded and is expanded to arrival stiffener when air charging system 20 starts
Position before 15, then second chamber 33 is deployed into position of the stiffener 15 towards skylight sash 10 from stiffener 15,
Wherein, when airbag cushion 30 is unfolded, it can reduce the interference of stiffener 15.Its detailed description is described below.
Meanwhile the RAB for vehicle in accordance with an exemplary embodiment of the invention may further include fixed bracket
40, which is configured to make air charging system 20 and folding in the state that air charging system 20 is parallel with airbag cushion 30
The airbag cushion 30 to gather into folds separates scheduled distance, while air charging system 20 is fixed to vehicle body, gas guiding device 45
It is configured to the first chamber 31 of connection air charging system 20 and airbag cushion 30, and the expansion gas of air charging system 20 is supplied to
First chamber 31.
That is, as shown in figures 1 and 3, air charging system 20 passes through the roof or skylight sash that fixed bracket 40 is fixed to vehicle body
10, and gas guiding device 45 is configured to for the expansion gas of air charging system 20 to be supplied to the first chamber of airbag cushion 30
31, wherein the airbag cushion 30 for being set to roof can the expansion when air charging system 20 starts.
In the current situation, air charging system 20, which can be set into, is parallel to airbag cushion 30, and gas guiding device 45 can
Be bent it is at L-shaped connect with the air charging system 20 that will be arranged parallel to each other with airbag cushion 30, and can along with peace
The vertical direction of the first chamber 31 of full air bag cushion 30 is connected to the first chamber 31 of the airbag cushion 30.
In addition, gas guiding device 45 can be connected to the interposition of airbag cushion 30 along the width direction of vehicle
It sets, to be unrolled evenly the two sides of airbag cushion 30.
However, the above-mentioned shape of gas guiding device 45 and its position connecting with airbag cushion 30 are merely to enhancing
The understanding of the present invention and described, however it is not limited to this.It the position of the gas guiding device 45 can answering according to vehicle
With or designer and change.
Meanwhile with reference to Fig. 2, external suture 35 can be formed at airbag cushion 30, by first chamber 31 and
Two chambers 33 separate and allow the connection between first chamber 31 and second chamber 33.
That is, external suture 35 is formed in airbag cushion 30 along the outside line of airbag cushion 30
Place, wherein external suture 35 can be formed as prolonging at the position for corresponding to stiffener 15 along the width direction of vehicle
It stretches, mainly to separate first chamber 31 with second chamber 33.Here, forming connected region with by the expansion in first chamber 31
Gas is delivered to second chamber 33.
External suture 35 forms connection path 36, which is configured in first chamber 31 and second chamber 33
Between be connected to, and connection path 36 can be formed as in first chamber 31 extending scheduled length (in inside).
As shown in Fig. 2, external suture 35 is formed as separating first chamber 31 with second chamber 33, and allow first
It is connected between chamber 31 and second chamber 33, and in this case, it is connected to the connection of first chamber 31 and second chamber 33
Path 36 is configured in first chamber 31 extend the second predetermined length (in inside), wherein in first chamber 31 from inflation
The expansion gas that device 20 is supplied can flow into the region of the two sides of connection path 36, then can be via 36 quilt of connection path
Pilot flow direction second chamber 33.Therefore, first chamber 31 is unfolded first, and then second chamber 33 is unfolded, wherein may be implemented to pacify
The successive expansion of full air bag cushion 30.
The first guidance suture 32 of entrance 37 and " u "-shaped can be formed at first chamber 31, the entrance 37 configures
At the expansion gas that reception is supplied from air charging system 20, the first guidance suture 32 of the " u "-shaped is formed in and the entrance
It at 37 positions spaced apart by a predetermined distance, and is configured to guidance expansion gas and is flowed to the two sides of first chamber 31, then from day
The front end or rear end of window frame 10 are flowed towards different directions.
That is, as shown in Fig. 2, the front end and rear end of skylight airbag cushion 30 is arranged in the entrance 37 of airbag cushion 30
The side close to air charging system 20 in portion, to receive the expansion gas supplied from air charging system 20.
Guide suture 32 towards two side directions according to first via the expansion gas that entrance 37 flows into first chamber 31
Then flowing is flowed from the front end of airbag cushion 30 or rear end towards different directions.
Therefore, when the first chamber 31 of airbag cushion 30 is unfolded, due to first in initial deployment stage expansion gas
It is first flowed in first chamber 31 to two sides, therefore generates stronger expansion power in every side of first chamber 31.That is, the
Quickly and effectively it is unfolded the two sides of one chamber 31, wherein the development rate of airbag cushion 30 can be prevented by outer
The obstruction of portion's barrier or frictional force.
In this case, the feature of the connection path 36 of external suture 35 can be with are as follows: it is formed in the width in vehicle
It spends on direction at position corresponding with the first guidance middle position of suture 32.
That is, as shown in Fig. 2, the connection path 36 of external suture 35 is arranged to face to the first guidance suture inverted " u "-shaped
The middle position of line 32, wherein the expansion gas flowed out from air charging system 20 flows in first chamber 31 as shown by arrows.
For example, being discharged when it is assumed that airbag cushion 30 is deployed into its front side on rear side of vehicle from air charging system 20
Expansion gas is supplied to the entrance 37 of first chamber 31, is then distributed in first chamber 31 via the first guidance suture 32
In two side directions.Then, expansion gas flows into vehicle along the region between external suture 35 and the first guidance suture 32
Front side, the interior direction of first chamber 31 is flowed into via the connection path 36 of external suture 35, then flows into vehicle
Rear side.Then, expansion gas is flowed to the interior direction of first chamber 31 again via the first guidance suture 32, then
Second chamber 33 is flowed into via connection path 36.
According to such shape, since the expansion gas of air charging system 20 is fully deployed first chamber 31 and subsequent quilt
Be supplied to second chamber 33, thus second chamber 33 can receive enough expansion pressure and therefore can with rapid deployment, and
It will not be by the interference of stiffener 15.
Moreover, as shown in Fig. 2, the RAB for vehicle in accordance with an exemplary embodiment of the invention can also include setting
Set the diffuser 50 inside first chamber 31, an end of the diffuser 50 be connected to gas guiding device 45 and by
It is configured to receive supplied expansion gas, the other end is branched off into the two sides of first chamber 31 and is formed as T shape to distribute
Gas is unfolded.
It therefore, can be with base via the expansion gas that entrance 37 is supplied when the first chamber 31 of airbag cushion 30 is unfolded
The two sides in first chamber 31 are assigned in sheet, wherein the expanding performance of airbag cushion 30 can be improved.
Meanwhile the second guidance suture of " u "-shaped, the second guidance suture 34 can be formed at second chamber 33
It is formed in at the position spaced apart by a predetermined distance of connection path 36, and is configured to guidance expansion gas to the two of second chamber 33
Then side flowing is flowed from the front end of skylight sash 10 or rear end towards different directions.
That is, due to being formed with the second guidance suture 34 at second chamber 33, exhibition similar with first chamber 31
Open the two sides flowing that gas is guided in second chamber 33.Therefore, second chamber 33 can be arranged in the initial deployment stage
It is sufficiently spread out its two sides, the middle section of second chamber 33 is then unfolded.
Above-mentioned preset distance can change according to the shape of designer or air bag, therefore be not limited to specific distance
Value.
Meanwhile property embodiment as another example, the first guidance suture 32 or the second in airbag cushion 30
The shape of guidance suture 34 can change.
Fig. 4 is the detail drawing for showing the shape of airbag cushion 30 of another exemplary embodiment according to the present invention.As general
When Fig. 2 is compared with Fig. 4, this exemplary implementation scheme as shown in Figure 4 is such, and the first guidance suture 32 can be set
The shape to overlap each other at multiple " u "-shapeds.Moreover, external suture 35, which can change, is compared with the embodiment above of Fig. 2
Shorten the second length that connection path 36 is extended.In addition, as shown in figure 4, the second guidance suture 34 can be formed as the
It is separated in two side directions in two chambers 33 and in the center side of second chamber 33 and makes that gas expansion is unfolded, thus
So that the development rate in the center portion of second chamber 33 is improved relative to the development rate in its two side direction.
As described above, the shape of the suture of airbag cushion 30 is changed and applies, wherein may be implemented have set
The expansion shape of the air bag of characteristic required by meter person.
Meanwhile the RAB for vehicle in accordance with an exemplary embodiment of the invention can also include sag-resistant lid 60, it should
Sag-resistant lid 60 has the first side for being fixed to vehicle body and is formed as L shape and is configured to the airbag cushion that support is folded up
Second side of 30 lower part.
Fig. 5 is the detailed perspective view for showing sag-resistant lid 60 in accordance with an exemplary embodiment of the invention.Such as Fig. 3 and figure
Shown in 5, it is formed with the shape for being configured to engage with carriage bolt in the first side of sag-resistant lid 60, the of sag-resistant lid 60
Two sides are formed with L-shaped base portion, and the airbag cushion 30 folded up is contained in the base portion.
That is, due to realizing that the airbag cushion 30 of the RAB for vehicle is set to the roof of vehicle, by
The sagging of airbag cushion 30 can occur in gravity.When airbag cushion 30 is sagging, the inside aesthetic effect meeting of vehicle
It reduces, and appears in the new difficulty that airbag cushion 30 is unfolded in proper orientation.
Therefore, airbag cushion 30 can be prevented sagging by sag-resistant lid 60, to improve airbag cushion 30
Expanding performance.
In addition, referring to Figures 1 and 2, the RAB for vehicle in accordance with an exemplary embodiment of the invention can also include
Along the guide rod 80 that the two sides of skylight sash 10 are formed, the guide rod 80 is formed through in the multiple of the two sides of airbag cushion 30
Attachment device 70, and be configured to the guidance airbag cushion 30 when air charging system 20 starts and slided along skylight sash 10.
That is, guide rod 80 be formed as along skylight sash 10 both side surface extend, thus allow airbag cushion 30 along
Skylight sash 10 is unfolded.Two ends of guide rod 80, which can be set into, to be either connected to skylight sash 10 or is connected to vehicle body.
In an exemplary embodiment of the present invention, every in the first chamber 31 and second chamber 33 of airbag cushion 30
In each chamber that a chamber is configured to allow to be unfolded in gas flow first chamber 31 and second chamber 33 by suture
The two sides in portion, and since each of first chamber 31 and second chamber 33 is arranged in the attachment device of airbag cushion 30 70
To slide along guide rod 80, therefore when air charging system 20 starts, the attachment device 70 of airbag cushion 30 can for the two sides of chamber
Quickly, effectively to be slided along guide rod 80.
Accordingly it is possible to prevent the development rate of airbag cushion 30 is by the frictional force between attachment device 70 and guide rod 80
Obstruction.
Fig. 6 be show it is every in multiple attachment devices 70 of the airbag cushion 30 of exemplary implementation scheme according to the present invention
A detail drawing.With reference to Fig. 6, each of multiple attachment devices 70 of exemplary implementation scheme could be formed with connection according to the present invention
Device 73 and the ring-shaped article 75 comprising metal material are connect, airbag cushion 30 integrally or is one-piece arranged in the connector 73
Two sides in side at and be formed as hook-shaped, the ring-shaped article 75 is connected to connector 73 and is inserted into guide rod 80,
To be slided with the starting of air charging system 20.
That is, the hook-shaped connector 73 integrally or one-piece formed with airbag cushion 30 is not inserted directly into
It in guide rod 80, but include that the ring-shaped article 75 of metal material is configured to slide on guide rod 80 together with connector 73, wherein
When airbag cushion 30 is unfolded, the development rate of airbag cushion 30 can be made to minimize, to prevent by attachment device
The obstruction of frictional force between 70 and guide rod 80.
Here, ring-shaped article 75 can be formed as semicircle or round, and can be set into and be connected to connector 73, and
It can be slided along the guide rod 80 for passing through ring-shaped article 75.
Meanwhile Fig. 7 and Fig. 8 be shown respectively the guide rod 80 of exemplary implementation scheme according to the present invention two ends it is detailed
Thin perspective view.With reference to Fig. 7 and Fig. 8, the RAB for vehicle in accordance with an exemplary embodiment of the invention be may further include
Multiple guide rod holding meanss 90, each of the multiple guide rod holding meanss 90 are respectively provided with first end and second end
Portion, the first end are connected to skylight sash 10, and it is described logical to allow guide rod 80 to pass through that the second end is formed with through-hole
Hole and it is attached to the multiple guide rod holding meanss 90, wherein each of the multiple guide rod holding meanss 90 can
To be connected to two ends of guide rod 80.
In the case where Fig. 7 shows the front end side of skylight sash 10, Fig. 8 shows the rear end side of skylight sash 10, and
In the case where Fig. 7 shows the rear end side of skylight sash 10, Fig. 8 shows the front end side of skylight sash 10.
Each of the multiple guide rod holding meanss 90 are configured to allow for guide rod 80 to be fixed to skylight sash 10, and
And an end of each guide rod holding meanss in the multiple guide rod holding meanss 90 and 10 bolted joints of skylight sash, and
And its second end allows guide rod 80 to be inserted.
Here, nut 95 can be engaged with two ends of guide rod 80, to prevent multiple guide rod holding meanss 90 from leading
Bar 80 is deviate from.Therefore, airbag cushion 30 can star steadily to slide along guide rod 80, and the guide rod 80 is fixed to institute
State multiple guide rod holding meanss 90.
According to the RAB for vehicle with above structure, it can prevent the development rate of airbag cushion from being formed
The obstruction of stiffener at skylight sash, wherein air bag can be with rapid deployment, so as to improve the protectiveness to occupant
Energy.
Be illustrated in the dependent claims and accurate definition for convenience, term " top ", " lower part ", "upper",
"lower", " upward ", " downward ", " inside ", " outside ", " inside ", " outside ", " inside ", " outside ", " inherence ", " external ",
"front", "rear", " back ", " forward ", " backward " are used to describe example with reference to the position of these features shown in attached drawing
The feature of property embodiment.
The description that specific exemplary embodiment of the present invention is presented in front is for the purpose of illustration and description.Front
Description be not intended to exhaustion, or limit the invention to disclosed precise forms, and it is apparent that according to above teaching
Several modifications and variations are all possible.Selection exemplary implementation scheme and be described with explain specific principle of the invention and
Its practical application, so that others skilled in the art can utilize and realize various exemplary embodiment party of the invention
Case and its various alternative modes and modification mode.The scope of the present invention be intended to by appended claims and its equivalent form come
It limits.
Claims (13)
1. a kind of roof airbag device for vehicle comprising:
Air charging system, the air charging system are arranged at the first end in the front end and its rear end of skylight sash, and
It is configured to discharge expansion gas on startup；
Stiffener, the stiffener is configured at the position between the front end and its rear end of the skylight sash will
First side of the skylight sash and second side are connected to each other；And
The front end and its rear end of the skylight sash is arranged in airbag cushion, the airbag cushion in a folded configuration
In first end at, be configured to receive the expansion gas supplied from the air charging system and be unfolded to cover the skylight frame
Frame, and it is configured with first chamber and second chamber, the first chamber is from the front end and its rear end of the skylight sash
In first end cover to the position reached before the stiffener, the second chamber is covered from the stiffener
The front end of the skylight sash and its second end in rear end.
2. the roof airbag device according to claim 1 for vehicle, further include:
Fixed bracket, the fixed bracket make the inflation in the state that air charging system is parallel to the airbag cushion
Device and the airbag cushion folded up separate scheduled distance, and the air charging system is fixed to vehicle body；And
Gas guiding device, the gas guiding device connect first chamber of the air charging system Yu the airbag cushion
Room, and the expansion gas of the air charging system is supplied to the first chamber.
3. the roof airbag device according to claim 2 for vehicle, wherein the shape at the airbag cushion
At external suture, the first chamber and the second chamber are separated and are allowed the first chamber and described the
Connection between two chambers.
4. the roof airbag device according to claim 3 for vehicle, wherein the external suture, which is formed, to be connected
Path is connect, the connection path is configured as allowing the connection between the first chamber and the second chamber, and described
Connection path extends scheduled length in the first chamber.
5. the roof airbag device according to claim 4 for vehicle, wherein formed at the first chamber
There is the first guidance suture of entrance and " u "-shaped, the entrance is configured to receive the expansion gas supplied from the air charging system,
First guidance suture of the " u "-shaped is formed at the position for separating scheduled distance with the entrance, and is configured to draw
Expansion gas is led to flow to the first side of the first chamber and second side, then from the first end of the skylight sash or its
It is flowed towards different directions rear end.
6. the roof airbag device according to claim 5 for vehicle, wherein the connection of the external suture
Path is formed at position corresponding with the first guidance middle position of suture in a width direction of the vehicle.
7. the roof airbag device according to claim 2 for vehicle, further include:
Diffuser, the diffuser are arranged inside first chamber, and have first end and the second end, the diffuser
First end be connected to the gas guiding device, and be configured to receive the expansion gas supplied from the gas guiding device
Body, the second end branch of the diffuser are formed as T shape to the first side of the first chamber and second side to distribute
Gas is unfolded.
8. the roof airbag device according to claim 4 for vehicle, wherein formed at the second chamber
There is the second guidance suture of " u "-shaped, the second guidance suture, which is formed in, separates scheduled distance with the connection path
Position at, and be configured to guidance expansion gas and flowed to the first side of the second chamber and second side, then from described
The front end of skylight sash or thereafter end are flowed towards different directions.
9. the roof airbag device according to claim 1 for vehicle, further include:
Sag-resistant lid, the sag-resistant lid have the first end for being fixed to vehicle body, and are formed as L shape and are configured to support folding
The second end of the lower part of the airbag cushion to gather into folds.
10. the roof airbag device according to claim 1 for vehicle, further include:
The guide rod formed along the first side of the skylight sash and second side, the guide rod, which is configured to pass through, is formed in the safety
First side of air bag cushion and multiple attachment devices of second side, and the airbag cushion edge is guided in air charging system starting
Skylight sash sliding.
11. the roof airbag device according to claim 10 for vehicle, wherein in the multiple attachment device
Each attachment device be provided with connector and the ring-shaped article comprising metal material, the connector is formed on described
At side in first side of airbag cushion or second side and be formed as hook-shaped, the ring-shaped article is connected to the connector
And be inserted into the guide rod, it is slided according to the starting of the air charging system.
12. the roof airbag device according to claim 10 for vehicle, further include:
Multiple guide rod holding meanss, each guide rod holding meanss in the multiple guide rod holding meanss all have first end and
The second end, the first end of guide rod holding meanss are connected to the skylight sash, and the second end of guide rod holding meanss is formed
There is through-hole to allow the guide rod to pass through the through-hole and be attached to the multiple guide rod holding meanss,
Wherein, the multiple guide rod holding meanss are connected to the first end and the second end of the guide rod.
13. the roof airbag device according to claim 12 for vehicle, wherein the of nut and the guide rod
Each end engagement in one end and the second end, to prevent the multiple guide rod holding meanss from deviating from from the guide rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170088547A KR102416585B1 (en) | 2017-07-12 | 2017-07-12 | Roof airbag for vehicle |
| KR10-2017-0088547 | 2017-07-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109263593A true CN109263593A (en) | 2019-01-25 |
| CN109263593B CN109263593B (en) | 2022-04-05 |
Family
ID=64745416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711211833.2A Active CN109263593B (en) | 2017-07-12 | 2017-11-28 | Roof airbag for vehicle |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10449923B2 (en) |
| KR (1) | KR102416585B1 (en) |
| CN (1) | CN109263593B (en) |
| DE (1) | DE102017128085B4 (en) |
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| DE102017119332A1 (en) * | 2017-08-24 | 2019-02-28 | Webasto SE | Arrangement for a vehicle roof, vehicle roof for a motor vehicle and motor vehicle |
| DE102017119329A1 (en) | 2017-08-24 | 2019-02-28 | Webasto SE | Arrangement for a vehicle roof, vehicle roof for a motor vehicle and motor vehicle |
| KR102475714B1 (en) * | 2017-10-13 | 2022-12-09 | 현대모비스 주식회사 | Airbag apparatus for roof |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102017128085A1 (en) | 2019-01-17 |
| US20190016292A1 (en) | 2019-01-17 |
| DE102017128085B4 (en) | 2023-01-05 |
| US10449923B2 (en) | 2019-10-22 |
| KR102416585B1 (en) | 2022-07-04 |
| KR20190007291A (en) | 2019-01-22 |
| CN109263593B (en) | 2022-04-05 |
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